// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

import 'package:wyatt_authentication_bloc/src/form/form_input.dart';
import 'package:wyatt_authentication_bloc/src/models/validation_error.dart';

/// {@template phone}
/// Form input for a phone input.
/// {@endtemplate}
class Phone extends FormInput<String, ValidationError> {
  /// {@macro phone}
  const Phone.pure() : super.pure('');

  /// {@macro phone}
  const Phone.dirty([String value = '']) : super.dirty(value);

  static final RegExp _phoneRegExp =
      RegExp(r'^[\+]?[(]?[0-9]{3}[)]?[-\s\.]?[0-9]{3}[-\s\.]?[0-9]{4,6}$');

  @override
  ValidationError? validator(String? value) {
    return _phoneRegExp.hasMatch(value ?? '') ? null : ValidationError.invalid;
  }
}